Radon Risk
Radon Risk Comparison Charts
Radon Risk If You Smoke
Radon Level | If 1,000 people who smoked were exposed to this level over a lifetime*... | The risk of cancer from radon exposure compares to**... |
WHAT TO DO: Stop smoking and... |
---|---|---|---|
20 pCi/L | About 260 people could get lung cancer | 250 times the risk of drowning | Fix your home |
10 pCi/L | About 150 people could get lung cancer | 200 times the risk of dying in a home fire | Fix your home |
8 pCi/L | About 120 people could get lung cancer | 30 times the risk of dying in a fall | Fix your home |
4 pCi/L | About 62 people could get lung cancer | 5 times the risk of dying in a car crash | Fix your home |
2 pCi/L | About 32 people could get lung cancer | 6 times the risk of dying from poison | Consider fixing between 2 and 4 pCi/L |
1.3 pCi/L | About 20 people could get lung cancer | (Average indoor radon level) |
(Reducing radon evels below 2 pCi/L is difficult.) |
0.4 pCi/L | About 3 people could get lung cancer | (Average outdoor radon level) | |
Note: If you are a former smoker, your risk may be lower. * Lifetime risk of lung cancer deaths from EPA Assessment of Risks from Radon in Homes (EPA 402-R-03-003). ** Comparison data calculated using the Centers for Disease Control and Prevention's 1999-2001 National Center for Injury Prevention and Control Reports. |
Radon Risk If You've Never Smoked
Radon Level | If 1,000 people who never smoked were exposed to this level over a lifetime*... | The risk of cancer from radon exposure compares to**... | WHAT TO DO: |
---|---|---|---|
20 pCi/L | About 36 people could get lung cancer | 35 times the risk of drowning | Fix your home |
10 pCi/L | About 18 people could get lung cancer | 20 times the risk of dying in a home fire | Fix your home |
8 pCi/L | About 15 people could get lung cancer | 4 times the risk of dying in a fall | Fix your home |
4 pCi/L | About 7 people could get lung cancer | The risk of dying in a car crash | Fix your home |
2 pCi/L | About 4 person could get lung cancer | The risk of dying from poison | Consider fixing between 2 and 4 pCi/L |
1.3 pCi/L | About 2 people could get lung cancer | (Average indoor radon level) |
(Reducing radon levels below 2 pCi/L is difficult.) |
0.4 pCi/L | (Average outdoor radon level) | ||
Note: If you are a former smoker, your risk may be higher. * Lifetime risk of lung cancer deaths from EPA Assessment of Risks from Radon in Homes (EPA 402-R-03-003). ** Comparison data calculated using the Centers for Disease Control and Prevention's 1999-2001 National Center for Injury Prevention and Control Reports. |





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